Mercurial > hg > graal-compiler
view test/compiler/rtm/method_options/TestUseRTMLockElidingOption.java @ 21773:0df7d7d6c25b
AMD64HotSpotMove: split HotSpotLoadConstantOp into HotSpotLoadObjectConstantOp and HotSpotLoadMetaspaceConstantOp.
author | Josef Eisl <josef.eisl@jku.at> |
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date | Mon, 01 Jun 2015 12:16:53 +0200 |
parents | ba8268c23fa2 |
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/* * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ /** * @test * @bug 8031320 * @summary Verify that UseRTMLockEliding option could be applied to * specified method and that such method will not be deoptimized * on high abort ratio. * @library /testlibrary /testlibrary/whitebox /compiler/testlibrary * @build TestUseRTMLockElidingOption * @run main ClassFileInstaller sun.hotspot.WhiteBox * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions * -XX:+WhiteBoxAPI TestUseRTMLockElidingOption */ import java.util.List; import com.oracle.java.testlibrary.*; import com.oracle.java.testlibrary.cli.CommandLineOptionTest; import com.oracle.java.testlibrary.cli.predicate.AndPredicate; import rtm.*; import rtm.predicate.SupportedCPU; import rtm.predicate.SupportedVM; /** * Test verifies that method tagged with option <i>UseRTMLockElidingOption</i> * will use RTM-based lock elision, but will be never deoptimized with * <i>rtm_state_change reason</i>. * Test invokes compiled method and checks that no deoptimization with * <i>rtm_state_change</i> reason had happened and that that VM output * contains RTM locking statistics for compiled method and that total locks * count equals to method's invocations. * Since last assert is pretty strict, test uses -XX:RTMRetryCount=0 in order * to avoid issue with retriable aborts described in * {@link TestUseRTMAfterLockInflation}. */ public class TestUseRTMLockElidingOption extends CommandLineOptionTest { private TestUseRTMLockElidingOption() { super(new AndPredicate(new SupportedCPU(), new SupportedVM())); } @Override public void runTestCases() throws Throwable { verifyOption(false); verifyOption(true); } public void verifyOption(boolean useStackLock) throws Throwable { AbortProvoker provoker = AbortType.XABORT.provoker(); String logFileName = String.format("rtm_deopt_%s_stack_lock.xml", (useStackLock ? "use" : "no")); String methodOption = String.format("-XX:CompileCommand=option," + "%s,UseRTMLockEliding", provoker.getMethodWithLockName()); OutputAnalyzer outputAnalyzer = RTMTestBase.executeRTMTest( logFileName, provoker, CommandLineOptionTest.prepareBooleanFlag("UseRTMForStackLocks", useStackLock), methodOption, "-XX:RTMTotalCountIncrRate=1", "-XX:RTMRetryCount=0", "-XX:+UseRTMDeopt", "-XX:+PrintPreciseRTMLockingStatistics", provoker.getClass().getName(), AbortType.XABORT.toString(), Boolean.toString(!useStackLock) ); outputAnalyzer.shouldHaveExitValue(0); int firedTraps = RTMTestBase.firedRTMStateChangeTraps(logFileName); Asserts.assertEQ(firedTraps, 0, "Method deoptimization with rtm_state_change is unexpected"); List<RTMLockingStatistics> statistics = RTMLockingStatistics.fromString( provoker.getMethodWithLockName(), outputAnalyzer.getOutput()); Asserts.assertEQ(statistics.size(), 1, "VM output should contain exactly one RTM locking " + "statistics entry for method " + provoker.getMethodWithLockName()); RTMLockingStatistics lock = statistics.get(0); Asserts.assertEQ(lock.getTotalLocks(), AbortProvoker.DEFAULT_ITERATIONS, "Expected to get total locks count equal to total amount of " + "lock attempts."); } public static void main(String args[]) throws Throwable { new TestUseRTMLockElidingOption().test(); } }